(19)
(11) EP 1 177 090 A1

(12)

(43) Date of publication:
06.02.2002 Bulletin 2002/06

(21) Application number: 99950217.2

(22) Date of filing: 05.10.1999
(51) International Patent Classification (IPC)7B29D 11/00
(86) International application number:
PCT/US9923/257
(87) International publication number:
WO 0026/013 (11.05.2000 Gazette 2000/19)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 30.10.1998 US 182961

(71) Applicant: Optima Inc.
Stratford, CT 06497 (US)

(72) Inventors:
  • YANG, Zhou
    Milford, CT 06460 (US)
  • WU, Yinghui
    Milford, CT 06460 (US)

(74) Representative: Luckhurst, Anthony Henry William 
MARKS & CLERK, 57-60 Lincoln's Inn Fields
London WC2A 3LS
London WC2A 3LS (GB)

   


(54) CONTINUOUS EXTRUSION-COMPRESSION MOLDING PROCESS FOR MAKING OPTICAL ARTICLES